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Re: [Qemu-discuss] x86 Linux (RHAT) on RaspPi?

From: autostudie
Subject: Re: [Qemu-discuss] x86 Linux (RHAT) on RaspPi?
Date: Tue, 28 Apr 2015 10:21:03 +0200

Hi Jakob,

so far it was clear to me. After I created an empty image with qcow2 and add an 
iso (debian install) as a cd I’ve got a memory error message after i’ve started 
the image. Maybe I have to add a parameter to boot from cd?
If I test dis with linux02 test image I get the same error, if the debian.iso 
was added. Without this I can start the linux02 test image.

Any suggestion?



> Am 28.04.2015 um 04:54 schrieb Jakob Bohm <address@hidden>:
> On 25/04/2015 19:38, address@hidden wrote:
>> Hi,
>> i am wondering if it is possible a x86 Linux to run on a rasp? I have an 
>> application, which is x86 (64bit) compiled and I am looking for a solution 
>> to run this somehow. So I’ve installed qemu but I don’t know how could I 
>> create for example a RedHat image (I know odx or vmdisk formats) and how to 
>> emulate this.
>> Thanks for the help.
> The standard formats used by qemu are qcow2 (qemu-copy-
> on-write-2) and raw (just a plain file holding all the
> sectors of the disk).  Both formats can take advantage
> of the sparse file feature in ext2/ext3/ext4 (etc.) to
> not allocate disk/sdcard space for sectors that are all
> 0.
> Blank disk images are created using the tool qemu-img,
> run qemu-img --help for a list of operations.  For raw
> images, manipulation is done using basic tools such as
> dd directly.
> ISO files (such as Radhat install CD images) are a
> special case of "raw" files and can be used directly.
> Disk images can be converted, checked for qcow2-level
> errors, copied etc. using other qemu-img subcommands.
> The virtual hardware configuration of your virtual x86
> PC is specified using command line options to the
> qemu-system-i386 or qemu-system-x86_64 program each
> time you "power on" the virtual machine.  qemu-system
> exits when the virtual machine powers off.  "BIOS"
> settings, such as selecting a boot drive are command
> line options too.
> qemu-system also has a "monitor" interface, which is a
> separate command line where you can do stuff such as
> virtually inserting/removing CDs (ISO files), simulate
> a press of the power button, create snapshots of the
> virtual machine etc.
> There are various GUIs on top of qemu, which provide
> other (sometimes easier) ways to do all this, but they
> all map back to the raw commands described above.  The
> most popular GUI is Red Hat's libvirt, which is in
> Debian, and probably in Raspian too.
> Enjoy
> Jakob
> -- 
> Jakob Bohm, CIO, Partner, WiseMo A/S.  https://www.wisemo.com
> Transformervej 29, 2860 Søborg, Denmark.  Direct +45 31 13 16 10
> This public discussion message is non-binding and may contain errors.
> WiseMo - Remote Service Management for PCs, Phones and Embedded

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